According to his profile on the Erinys International website:
- Jonathan served 10 years with the British Army primarily in counter–terrorism and armoured warfare roles. After service with Grenadier Guards he joined the international security risk management industry in 1992 and for 9 years was a senior manager and Director of DSL and thereafter the US global risk management group ArmorGroup before co-founding Erinys in 2001. Jonathan has undertaken signature projects all over the world, notably in Zaïre/DRC on behalf of the US Department of State for which he received two commendations. He is a graduate of Sandhurst and Henley Management College (Prize Winner Executive MBA 2001) and speaks fluent French. As Chairman Jonathan is predominantly responsible for corporate development.
- Grenadier Guards | ArmorGroup | Defense Systems Limited | Erinys International | Erinys South Africa
- Erinys Company Overview - Management Profiles, accessed 12 April 2008.